Cisco ENCOR 350-401 MCQ Flashcards

Which OSPF network type is used by default on a point-to-point serial link?

Answer: Point-to-point

OSPF defaults to the point-to-point network type on serial links, eliminating the need for DR/BDR election.

In SD-Access, which component serves as the control plane node managing LISP map-server and map-resolver functions?

Answer: Control plane node

The control plane node in SD-Access runs the LISP map-server and map-resolver, maintaining the endpoint-to-RLOC mapping database.

What is the default administrative distance of an EIGRP internal route?

Answer: 90

EIGRP internal routes have an administrative distance of 90, making them preferred over OSPF (110) but less preferred than static routes (1).

Which QoS mechanism is used to prevent a single traffic flow from monopolizing bandwidth through token consumption limits?

Answer: Policing

Policing drops or re-marks traffic that exceeds the configured rate, immediately discarding excess tokens without buffering.

In VXLAN, what is the role of the VTEP (VXLAN Tunnel Endpoint)?

Answer: Encapsulates/decapsulates Layer 2 frames in UDP packets

The VTEP encapsulates Layer 2 Ethernet frames into UDP/IP packets for transport across the Layer 3 underlay network.

Which Spanning Tree Protocol feature allows a port to immediately transition to forwarding state when connected to an end device?

Answer: PortFast

PortFast bypasses the STP listening and learning states, allowing an edge port to immediately enter forwarding state.

What does the BGP attribute MED (Multi-Exit Discriminator) influence?

Answer: How external neighbors send traffic into your AS

MED is a non-transitive attribute sent to external neighbors to suggest the preferred entry point into your autonomous system.